X-Series X-10 v.4

The X-Series X-10 v.4 from Sundown Audio is a 10-inch (25 cm) Subwoofer that impresses with an RMS power of 3000 W and a peak power of 6000 W. It features a maximum linear excursion (Xmax) of 30 mm and an effective cone area of 35.63. A bass reflex enclosure with a volume of 1.5 cu. ft. (approximately 42.5 liters) and a port tuning at 32 Hz is recommended. The dimensions include an outer diameter of 11.81 inches (approximately 30.0 cm) and a mounting depth of 11 inches (approximately 27.9 cm), allowing for installation in various setups. The Xv4 10D1 and Xv4 10D2 offer different Thiele-Small parameters to tailor the Subwoofer to your specific audio needs.

Power & Mechanical Data:

• RMS Power: 3000 W (For both D1 and D2).

• Peak Power: 6000 W (For both D1 and D2).

• Maximum Linear Excursion (Xmax): 30 mm (For both D1 and D2).

• Effective Cone Area (Sd): 35.63.

Enclosure Recommendations:

• Sealed Enclosure: Not recommended.

• Bass Reflex Enclosure: 1.5 cu. ft. (approximately 42.5 liters).

• Recommended Port Tuning: 32 Hz.

• Recommended Port Area: 24 sq in (approximately 155 cm²).

• 4th Order Bandpass (Sealed Side): 0.75 cu ft (approximately 21.2 liters).

• 4th Order Bandpass (Ventilated Side): 2.25 cu ft (approximately 63.7 liters).

• 4th Order Port Area: 45 sq in (approximately 290 cm²).

• 4th Order Port Length: 8" (approximately 20.3 cm).

Dimensions & Mounting Measurements:

• Outer Diameter: 11.81" (approximately 30.0 cm).

• Cutout Diameter: 10.01" (approximately 25.4 cm).

• Mounting Depth: 11" (approximately 27.9 cm).

• Motor Diameter: 9.25" (approximately 23.5 cm).

• Displacement: 0.22 cu. ft. (approximately 6.2 liters).

Thiele-Small Parameters (by Version):

• Xv4 10D1 (Dual 1 Ohm):

  • DC Resistance (Re): 3.2 Ohm

  • Resonant Frequency (Fs): 41.37 Hz

  • Equivalent Volume (Vas): 8.24 liters

  • Q Factors: Qms: 5.07 / Qes: 0.58 / Qts: 0.52

  • Inductance (Le): 2.68 mH

  • BL Factor: 22.19 NA

  • Moving Mass (Mms): 341.7 g

  • Compliance (Cms): 43.29 uM/N

  • Sensitivity (Sens): 81.76 dB @ 1w/1m

• Xv4 10D2 (Dual 2 Ohm):

  • DC Resistance (Re): 3.74 Ohm

  • Resonant Frequency (Fs): 37.04 Hz

  • Equivalent Volume (Vas): 8.38 liters (Note: Listed as 8.24 L in T/S list)

  • Q Factors: Qms: 3.99 / Qes: 0.46 / Qts: 0.41

  • BL Factor: 27.41 NA

  • Moving Mass (Mms): 396.92 g

  • Compliance (Cms): 46.49 uM/N

  • Sensitivity (Sens): 81.5 dB @ 1w/1m